Coffee geeks – Coffee ad Astra

Recent Insights into Espresso Dynamics April 14 Chicago Conference

I will be presenting a conference on the topic of espresso dynamics during SCA 2024 in Chicago !

This post presents the Pulsar dripper with my current favorite brewing recipe.

In this post, I talk about ways in which I have recently improved my puck preparation for espresso.

In this post, I explore the details of physical phenomena that can cause fines to migrate and clog coffee filters.

In this post I describe what causes astringency, and talk about ideas how we could potentially measure it or remove it post brewing.

In this post I present an updated methodology to measure TDS with a 0.01% precision using a refractometer.

In this post, I present a new tool to create custom brew water recipes, which can be built from any soft water rather than distilled water.

In this longer than usual post, I do a very detailed microscope analysis of various V60, chemex and siphon paper and cloth filters.

This post is a detailed discussion of the effects of coffee grinder seasoning on particle size distributions.